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Jeffrey Herbert Knapp
Insider
First SEC filing: Jan. 31, 2019 · Latest: Jan. 31, 2019
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 1, 2021 | CLH | S | 1,000 | $100.55 | $100,550 | 2,853 Direct | -25.95% | Disposed | 216.8% (price as of 2026-10-02) |
| Nov. 23, 2021 | CLH | S | 458 | $109.47 | $50,137 | 3,853 Direct | -10.62% | Disposed | 191.0% (price as of 2026-10-02) |
| Nov. 23, 2021 | CLH | S | 503 | $109.22 | $54,938 | 5,311 Direct | -8.65% | Disposed | 191.6% (price as of 2026-10-02) |
| Nov. 19, 2021 | CLH | S | 1,000 | $108.56 | $108,560 | 4,311 Direct | -18.83% | Disposed | 193.4% (price as of 2026-10-02) |
| Nov. 2, 2021 | CLH | F | 11,161 | · | · | 5,814 Direct | -65.75% | Disposed | (price as of 2026-10-02) |
| Nov. 1, 2021 | CLH | F | 163 | $115.69 | $18,857 | 16,975 Direct | -0.95% | Disposed | 175.3% (price as of 2026-10-02) |
| July 1, 2021 | CLH | A | 1,580 | · | · | 17,138 Direct | +10.16% | Acquired | (price as of 2026-10-02) |
| July 1, 2021 | CLH | A | 1,975 | · | · | 15,558 Direct | +14.54% | Acquired | (price as of 2026-10-02) |
| March 15, 2021 | CLH | D | 778 | · | · | 13,583 Direct | -5.42% | Disposed | (price as of 2026-10-02) |
| March 15, 2021 | CLH | F | 278 | $89.50 | $24,881 | 14,361 Direct | -1.90% | Disposed | 255.9% (price as of 2026-10-02) |
| March 1, 2021 | CLH | F | 294 | $87.22 | $25,643 | 14,639 Direct | -1.97% | Disposed | 265.2% (price as of 2026-10-02) |
| Dec. 15, 2020 | CLH | F | 94 | $72.99 | $6,861 | 14,933 Direct | -0.63% | Disposed | 336.4% (price as of 2026-10-02) |
| Nov. 1, 2020 | CLH | A | 2,000 | · | · | 15,027 Direct | +15.35% | Acquired | (price as of 2026-10-02) |
| July 1, 2020 | CLH | A | 2,516 | · | · | 12,527 Direct | +25.13% | Acquired | (price as of 2026-10-02) |
| July 1, 2020 | CLH | A | 1,887 | · | · | 10,011 Direct | +23.23% | Acquired | (price as of 2026-10-02) |
| March 19, 2020 | CLH | P | 500 | $32.80 | $16,400 | 13,027 Direct | +3.99% | Acquired | 871.1% (price as of 2026-10-02) |
| March 15, 2020 | CLH | F | 94 | $54.33 | $5,107 | 8,124 Direct | -1.14% | Disposed | 486.3% (price as of 2026-10-02) |
| March 2, 2020 | CLH | F | 297 | $69.52 | $20,647 | 8,218 Direct | -3.49% | Disposed | 358.2% (price as of 2026-10-02) |
| Dec. 15, 2019 | CLH | F | 141 | $83.68 | $11,799 | 8,515 Direct | -1.63% | Disposed | 280.6% (price as of 2026-10-02) |
| July 1, 2019 | CLH | A | 1,458 | · | · | 8,656 Direct | +20.26% | Acquired | (price as of 2026-10-02) |
| July 1, 2019 | CLH | A | 1,945 | · | · | 7,198 Direct | +37.03% | Acquired | (price as of 2026-10-02) |
| March 15, 2019 | CLH | F | 141 | $68.74 | $9,692 | 5,253 Direct | -2.61% | Disposed | 363.4% (price as of 2026-10-02) |
| March 1, 2019 | CLH | F | 297 | $68.77 | $20,425 | 5,394 Direct | -5.22% | Disposed | 363.2% (price as of 2026-10-02) |
| July 1, 2018 | CLH | A | 2,301 | · | · | 5,301 Direct | +76.70% | Acquired | (price as of 2026-10-02) |
| March 1, 2018 | CLH | A | 3,000 | · | · | 3,000 Direct | · | Acquired | (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.